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Number of (n+1)X(2+1) 0..3 arrays x(i,j) with row sums sum{j^3*x(i,j), j=1..2+1} nondecreasing, and column sums sum{i^3*x(i,j), i=1..n+1} nondecreasing
0

%I #3 Nov 29 2013 13:53:42

%S 561,14229,268376,3995189,49913678,534194881,5028662366,42441753755,

%T 325352545067,2290263041978

%N Number of (n+1)X(2+1) 0..3 arrays x(i,j) with row sums sum{j^3*x(i,j), j=1..2+1} nondecreasing, and column sums sum{i^3*x(i,j), i=1..n+1} nondecreasing

%C Column 2 of A232756

%e Some solutions for n=2

%e ..0..0..0....0..0..3....3..0..1....1..3..0....1..1..1....0..0..1....0..2..2

%e ..2..3..1....1..2..3....1..1..1....3..3..1....2..2..1....0..1..2....2..3..2

%e ..1..1..2....1..3..3....0..1..3....0..2..3....0..1..2....0..2..2....0..0..3

%K nonn

%O 1,1

%A _R. H. Hardin_, Nov 29 2013